硫代葡萄糖苷对黄曲条跳甲寄主选择性的影响

Effect of Glucosinolates of Host Vegetables on Preference of Stripped Flea Beetle Effects of Tillage Methods on Scattered-Transplanting Rice Growth and Nitrogen Use Efficiency

摘要: 硫代葡萄糖苷是影响黄曲条跳甲寄主选择的主要原因，同一蔬菜品种的不同生长期、不同器官、不同叶位上，硫代葡萄糖苷的含量越高，其选择性越大，两者呈显著性关性（相关系数分别是0．9674、0．9030、0．9909、0．7963，P＜0．05），不同品种的6种蔬菜中，黄曲条跳甲基本趋向选择硫代葡萄糖苷含量较高的蔬菜，但相关性不显著（r=0.7126、0．0287，P＜0．05），说明存在影响黄曲条跳甲寄主选择的其他因素。

Abstract: The glucosinolates in vegetables were the main causes that infected the stripped flea beetles (SFB), Phyllotreta striolata (Fabricius), feeding on the host plants. The preference of SFB in the different growth times, organic and leaf location of the same host plant was studied. It showed that the SFB adults preferred the plants with high content of glucosinlates. The relationships between the density of the SFB adults and the content of glucosinlates were highly significant (r=0.967 4, 0.903 0, 0.990 9, 0.796 3, P<0.05) . It showed that there were other factors affecting the preference of SFB.